JPH11100383A - Preparation of immunosuppresant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prepare a new compound produced by a strain belonging to the genus Streptomyces, having immunosuppressive activities, and useful for treatment and prevention of rejection by transplantation. SOLUTION: This new compound has following physical properties and chemical properties: shape and color: white powder; mass spectrum: FEB-MS: mHz 812 (M+Na); molecular formula: C43 H67 NO12 ; color reaction: positive to cerium sulfate reaction, sulfuric acid reaction, Ehrlich's reaction, Dragendorff's reaction and iodine vapor reaction, and negative to ferric chloride reaction, ninhydrin reaction and Molisch's reaction; solubility: soluble in methanol, ethanol, acetone, ethyl acetate or the like and slightly soluble in n-hexane and petroleum ether and insoluble in water; melting point: 96-97 deg.C; specific rotation: [α]<23> D: -65 deg. (c=1.7, CHCl3 ); thin layer chromatography: Rf value is 0.22 (ethyl acetate). The objective compound is obtained by culturing a producing strain (FERM 7886) belonging to the genus Streptomyces in a nutrient medium, and gathering the product.

Description

DETAILED DESCRIPTION OF THE INVENTION TECHNICAL FIELD OF THE INVENTION

The present invention relates to novel compounds having a pharmacological action, hereinafter referred to as FR-901154 substance and FR-901155 substance, a production method thereof, and a pharmaceutical composition containing them.

More specifically, the present invention relates to FR-901154 and FR-901155, which are novel compounds having pharmacological actions such as immunosuppressive action, antibacterial action and the like.
The present invention relates to substances, their production, and immunosuppressants containing them.

That is, an object of the present invention is to provide a novel compound FR-901154, which is a novel compound useful for the treatment and prevention of transplant rejection, graft-versus-host disease caused by bone marrow transplantation, autoimmune disease, infectious disease and the like. FR-9011
55 substances.

Another object of the present invention is to provide FR-90115 belonging to the genus Streptomyces.
It is an object of the present invention to provide a method for producing a FR-901154 substance and a FR-901155 substance by fermentation of a four substance-producing strain and / or a FR-901155 substance-producing strain in a nutrient medium.

[0005] Still another object of the present invention is to provide FR-901154 substance or FR-901 as an active ingredient.
An object of the present invention is to provide an immunosuppressant containing 155 substances.

[0006] The present invention relates to a newly discovered FR-900506 substance which is firstly and newly isolated in a pure form from a culture broth obtained by fermentation of a new species belonging to the genus Streptomyces and is useful as a drug. [Chemical name: 17-
Allyl-1,14-dihydroxy-12- [2- (4-hydroxy-3-methoxycyclohexyl) -1-methylvinyl] -23,25-dimethoxy-13,19,21,27-tetramethyl-11,28 -Dioxa-4-azatricyclo [22.3.1.
[0 ^4,9 ] octakos-18-ene-2,3,10,16-tetraone].

Based on the discovery of the FR-900506 substance, the inventors of the present invention have conducted fermentation to
Studies were performed to produce six substances in high yield, during which we found that FR-901154 and FR-901155 substances were also produced in the culture broth.

[0008] The physical and chemical properties of the FR-901154 and FR-901155 substances of the present invention, their production and their pharmacological actions are described below.

[0009] FR-901154 substance and FR-90
Physical and chemical properties of 1155 substance FR-901154 substance and FR-901 of the present invention
155 substances have the following physical and chemical properties.

[0010] FR-901154 substance (1) Shape and color tone: white powder (2) Mass spectrum: FAB-MS: m / z 812 (M + Na) (3) Molecular formula: C ₄₃ H ₆₇ NO ₁₂ (5) Color reaction: Positive for cerium sulfate reaction, sulfuric acid reaction, Ehrlich reaction, Dragendorff reaction and iodine vapor reaction. Negative for ferric chloride reaction, ninhydrin reaction and Maurish reaction. (6) Solubility: soluble in methanol, ethanol, acetone, ethyl acetate, chloroform, diethyl ether, benzene and acetonitrile. Poorly soluble in n-hexane and petroleum ether. Insoluble in water. (7) Melting point: 96-97 ° C (8) Specific rotation: [α] ²³ _D : -65 ゜ (C = 1.7, CHCl ₃ ) (9) Ultraviolet absorption spectrum: Terminal absorption (10) Infrared absorption spectrum: νCHCl _{3 max} : 3570, 3500, 2920, 2860, 2820, 1740, 1
710, 1700, 1640,1460, 1450, 1380, 1340, 1280, 121
0, 1190, 1170, 1140,1100, 1090, 1050, 1010, 1000,
990, 960, 920 cm ^-1

(11) ¹³ C nuclear magnetic resonance spectrum:

[Table 3]

(12) ¹ H nuclear magnetic resonance spectrum: FIG. 1 shows a chart of the spectrum. (13) Thin layer chromatography stationary phase developing solvent Rf value silica gel plate Ethyl acetate 0.22 (14) Property of substance: neutral substance

For the FR-901154 substance, ¹³ C
In the measurement of ¹ H and ¹ H nuclear magnetic resonance spectra, this material showed several signal pairs for various chemical shifts, but in the measurement of thin layer chromatography and high performance liquid chromatography, , FR-90115
The four substances showed a single spot in thin layer chromatography and a single peak in high performance liquid chromatography. From the above physical and chemical properties, the FR-901154 substance is presumed to have the following chemical structure.

[0014]

Embedded image

FR-901155 substance (1) Shape and color: white powder (2) Mass spectrum: FAB-MS: m / z 810 (M + Na) (3) Molecular formula: C ₄₃ H ₆₅ NO ₁₂ (5) Color reaction: Positive for cerium sulfate reaction, sulfuric acid reaction, Ehrlich reaction, Dragendorff reaction and iodine vapor reaction. Negative for ferric chloride reaction, ninhydrin reaction and Maurish reaction. (6) Solubility: soluble in methanol, ethanol, acetone, ethyl acetate, chloroform, diethyl ether, benzene and acetonitrile. Poorly soluble in n-hexane and petroleum ether. Insoluble in water. (7) Melting point: 76-81 ° C (8) Specific rotation: [α] ²³ _D : -53 ゜ (C = 1.8, CHCl ₃ ) (9) Ultraviolet absorption spectrum: Terminal absorption (10) Infrared absorption spectrum: νCHCl _{3 max} : 3500, 2920, 2870, 2820, 1740, 1710, 1
640, 1460, 1450,1380, 1340, 1320, 1280, 1230, 119
0, 1170, 1140, 1100,1040, 1000, 990, 960, 910 cm ^-1

(11) ¹³ C nuclear magnetic resonance spectrum:

[Table 4]

(12) ¹ H nuclear magnetic resonance spectrum: FIG. 2 shows a chart of the spectrum. (13) Thin layer chromatography: stationary phase developing solvent Rf value silica gel plate Ethyl acetate 0.64 (14) Property of substance: neutral substance

For the FR-901155 substance, ¹³ C
In the measurement of ¹ H and ¹ H nuclear magnetic resonance spectra, this material showed a signal pair for various chemical shifts, but in the case of the measurement of thin layer chromatography and high performance liquid chromatography, the material was FR-901155 material. Showed a single spot in thin layer chromatography and a single peak in high performance liquid chromatography. From the above physical and chemical properties, F
The R-901155 substance is assumed to have the following chemical structure.

[0019]

Embedded image

[0020] FR-901154 substance and FR-90
Production of 1155 substance FR-901154 substance and FR-901 of the present invention
155 substances are Streptomyces tsukubaensis (S
It can be produced by fermentation of an FR-901154 substance-producing strain belonging to the genus Streptomyces and / or a FR-901155 substance-producing strain such as Treptomyces tsukubaensis No. 9993 in a nutrient medium.

Streptomyces tsukubaensis 99
The freeze-dried sample of No. 93 is 1-1, Higashi, Tsukuba, Ibaraki, Japan
-3 Microorganisms Research Laboratories
Deposited under the number 7886 (Deposit date: 19
(October 5, 1984) and then, on October 19, 1985, the depository was switched to the Budapest Treaty route under the new deposit number, JICA Kenkyu No. 927.

The above bacteria are listed for illustrative purposes only, and include new FR-901154 substances and FR-90.
It goes without saying that the production of 1155 substances is not limited to the use of the special bacteria mentioned above. The present invention also includes naturally occurring mutant strains from the strains described above and conventional methods such as X-ray irradiation, ultraviolet irradiation, N-methyl-N'-nitro-N-nitrosoguanidine treatment, 2-aminopurine treatment and the like. FR-901 including artificial mutant strains
Included is the use of any mutant strain capable of producing 154 and / or FR-901155 material.

Generally, the FR-901154 and FR-901155 substances are prepared by combining the FR-901154 substance producing strain and / or the FR-901155 substance producing strain in an aqueous nutrient medium containing an assimilable carbon source and a nitrogen source. Preferably, it can be produced by culturing under aerobic conditions such as shaking culture and submerged culture.

Preferred carbon sources in the nutrient medium are carbohydrates such as glucose, xylose, galactose, glycerin, starch, dextrin and the like. Maltose, rhamnose, raffinose, arabinose,
Other carbon sources such as mannose, salicin, sodium succinate and the like may be included.

Preferred nitrogen sources are yeast extract, peptone, gluten meal, cottonseed flour, soy flour, coarse steep liquor, dried yeast, wheat germ, feather flour, peanut flour and the like, for example, ammonium nitrate, ammonium sulfate And inorganic and organic nitrogen compounds such as ammonium salts such as ammonium phosphate, urea, amino acids and the like.

[0026] It is advantageous to use a combination of carbon and nitrogen sources, but as long as they contain trace amounts of growth factors and considerable amounts of minerals, less pure substances are also suitable for use, so that they can be made pure. It does not need to be used in form. If desired, the medium may contain sodium or calcium carbonate, sodium or potassium phosphate, sodium or potassium chloride, sodium or potassium iodide,
Inorganic salts such as magnesium salts, copper salts, cobalt salts and the like may be added. In particular, when the culture medium foams significantly, an antifoaming agent such as liquid paraffin, fatty oil, vegetable oil, mineral oil or silicone may be added as necessary.

FR-901154 substance and FR-90
As conditions for mass production of 1155 substances, deep aerobic culture is preferable. For small-scale production, shaking culture or surface culture in a flask or bottle is performed. Furthermore, when the growth is carried out in a large tank, in order to avoid a growth delay in the production process of the FR-901154 substance and the FR-901155 substance, the microorganism is inoculated into the production tank by using a preculture of microorganisms. Is preferred. That is, a relatively small amount of culture medium is inoculated with a spore or hypha of a microorganism, and the inoculation medium is cultured to produce a preculture inoculum of the microorganism first,
It is then desirable to aseptically transfer the cultured preculture inoculum to a large tank. The medium that produces this preculture inoculum is:
The medium used for producing the FR-901154 substance and the FR-901155 substance may be substantially the same or different.

The stirring and aeration of the culture mixture can be carried out in various ways. Stirring can also be carried out using a propeller or a similar stirring device, rotating or shaking the fermenter, using various pumping devices, or passing sterile air through the medium.
Aeration may be provided by passing sterile air through the fermentation mixture.

The fermentation is usually carried out in a temperature range of about 20 ° C. to 40 ° C., preferably 25 to 35 ° C., for about 50 to 250 hours, preferably 100 to 250 hours.
The reaction is performed for 200 hours, and may be appropriately changed depending on the fermentation conditions and the fermentation scale.

The thus produced FR-9011
54 and FR-901155 can be recovered from the culture medium by conventional methods commonly used for the recovery of other known biologically active substances. FR- produced
The 901154 and FR-901155 substances are found in the culture mycelium and in the filtrate, and thus FR-901
154 substances and FR-901155 substances were concentrated under reduced pressure, lyophilized, extracted with a common solvent from mycelium and filtrate obtained by filtration or centrifugation of culture broth,
pH adjustment, for example, treatment with a conventional resin such as an anion exchange resin or cation exchange resin, nonionic adsorption resin, for example, treatment with a common adsorbent such as activated carbon, silicic acid, silica gel, cellulose, alumina, crystallization, It can be separated and purified by a conventional method such as recrystallization.

FR-901154 substance and FR-90
Pharmacological action of 1155 substances FR-901154 substance and FR-901155 substance have pharmacological actions such as immunosuppressive action, antibacterial action, etc.
Therefore, rejection due to transplantation of organs or tissues such as heart, kidney, liver, bone marrow, skin, cornea, etc., graft-versus-host disease caused by bone marrow transplantation, rheumatoid arthritis, systemic lupus erythematosus, Hashimoto's thyroiditis, polymorphism It is useful for the treatment and prevention of autoimmune diseases such as sclerosis, myasthenia gravis, type I diabetes, uveitis such as Behcet's disease, spring keratoconjunctivitis, and pathogen infection.

Furthermore, FR-901154 and FR-901155 substances are, for example, psoriasis, atopic dermatitis, contact dermatitis and other eczema dermatitis, seborrheic dermatitis, lichen planus, pemphigus , Bullous pemphigoid, epidermolysis bullosa, urticaria, angioedema, vasculitis, erythema,
Also used as topical administration for the treatment and prevention of inflammatory and hyperproliferative skin diseases such as cutaneous eosinophilic disease, lupus erythematosus and alopecia areata, and skin manifestations of diseases involving immunity Useful.

Examples of such pharmacological action include FR-901154 substance and FR-901155
The pharmacological test results of the substance are shown below. Test 1 Inhibitory effect of mixed lymphocyte reaction (MLR) in vitro 5 × 10 ⁵ C57BL / 6 responder cells (H-2 ^b ) were added to each well and treated with mitomycin C (mitomycin C at 25 μg / ml at 37 ° C. for 30 minutes).
5 × 10 ⁵ BALB / C stimulating cells (H-2 ^d ) treated for 3 min and washed three times with RPMI1640 medium 0.2 ml of 10% fetal bovine serum-containing RP
MI1640 medium [Sodium bicarbonate 2 mM, penicillin (50
Unit / ml) and streptomycin (50 μg / ml) are added in microtiter plates. Cultivate the cells at 37 ° C for 68 hours in an incubator maintained at 100% humidity, 5% carbon dioxide, and 95% air for 4 hours ³
Cells are harvested by pulsing with H-thymidine (0.5 μCi). The target compound of the present invention is dissolved in ethanol, and RPM
Dilute in I1640 medium and add to culture to a final concentration of 100 mM or less. An IC ₅₀ value, which is a molar concentration for suppressing MLR by 50%, was calculated by a conventional method, and the results are shown in Table 1 below.

[0034]

[Table 5]

Test 2 Antibacterial activity of FR-901154 and FR-901155 The antibacterial activities of FR-901154 and FR-901155 against various fungi were measured in Sabouraud agar by agar double dilution method. Minimum inhibitory concentration (MIC)
Was expressed in μg / ml after incubation at 30 ° C. for 24 hours. FR-901154 substance and FR-901155
Both materials showed antimicrobial activity against fungi, for example, Aspergillus niger IFO 4417, as described below.

[0036]

[Table 6]

The pharmaceutical composition of the present invention may be mixed with an organic or inorganic carrier or excipient suitable for external, internal or parenteral application to produce FR-901154 substance or FR-9.
It can be used, for example, in the form of a solid, semi-solid or liquid pharmaceutical preparation containing the substance 01155 as an active ingredient. The active ingredient can be used, for example, in tablets, pellets, capsules, suppositories, solutions, emulsions, suspensions and other suitable forms, e.g., mixed with conventional non-toxic, pharmaceutically acceptable carriers. Good. Carriers that can be used include water, glucose, lactose, gum acacia,
A carrier suitable for producing gelatin, mannitol, starch paste, magnesium trisilicate, talc, corn starch, keratin, colloidal silica, potato starch, urea and other solid, semi-solid or liquid formulations; In addition, excipients, stabilizers, thickening agents, coloring agents, solubilizing agents and fragrances may be used.
In particular, examples of the solubilizer include a water-soluble cellulose polymer such as hydroxypropylmethylcellulose, and a water-soluble glycol such as propylene glycol. The target compound is contained in the pharmaceutical preparation in an amount sufficient to exert a desired effect depending on the course or condition of the disease.

For applying this composition to humans, it is preferable to apply it by parenteral or internal administration. FR-
The therapeutically effective dose of the 901154 or FR-901155 substance will vary with the age and condition of each individual patient to be treated, but may range from about 0.01-1000 m / day of active ingredient.
g, preferably 0.1-500 mg, more preferably 0.5-100 mg
Is commonly used for the treatment of disease, with an average single dose of about 0.5.
5 mg, 1 mg, 5 mg, 10 mg, 50 mg, 100 mg, 250 mg, 500 mg are generally administered.

Hereinafter, the present invention will be described with reference to examples. Example 1 Fermented corn starch (1%), glycerin (1%), glucose (0.5%), cottonseed flour (1%), dried yeast (0.5%), corn steep liquor (0.5%) and calcium carbonate ( 0.2%) culture medium (adjusted to pH 6.5) (100ml)
Is poured into each of eight 500 ml Erlenmeyer flasks and sterilized at 120 ° C. for 30 minutes. Streptomyces tsukubaensis No.9993 (Deposit number: No.7886
Inoculate one loop of the slant culture of No. 1) into each medium and incubate at 30 ° C. for 72 hours on a rotary shaker. Adecanol (antifoam, trademark, manufactured by Asahi Denka Co., Ltd.) (0.05%) and silicone (Shin-Etsu Chemical Co., Ltd.) (0.05%) in a 200-liter jar fermenter previously sterilized at 120 ° C. for 30 minutes. Transfer the seed culture to the same seed medium (160 l) supplemented with. After culturing at 30 ° C. for 48 hours with agitation at 200 rpm under aeration at 160 l / min, 30 l of the preculture was dissolved in soluble starch (3%) previously sterilized at 120 ° C. for 30 minutes, wheat Germ (0.8%), dried yeast (0.4%), corn steep liquor (0.
6%), calcium carbonate (0.1%), adecanol (0.05
%) And pH in a 4t tank containing silicone (0.05%)
Inoculate the 6.8 production medium (3000 l). The fermentation is carried out at 25 ° C. for 168 hours with stirring at 140 rpm under aeration at 1500 l / min.

Isolation and Purification The culture broth thus obtained was treated with diatomaceous earth (50 k
g). Remove the mycelial mass with acetone (1000
Extraction in 1) gives 1000 l of extract. The acetone extract from the mycelium and the filtrate (2700 l) are combined and passed through a column of non-ionic adsorption resin "Diaion HP-20" (trademark, manufactured by Mitsubishi Kasei Kogyo) (200 l). 50% acetone aqueous solution (6
After washing with 00l), elution is carried out with a 75% aqueous acetone solution. The solvent of the eluate is distilled off under reduced pressure to obtain an aqueous residue (40 l). The residue is extracted twice with ethyl acetate (40 l). The ethyl acetate extract is concentrated under reduced pressure to obtain an oily residue. Oily residue n
A mixture of hexane and ethyl acetate (1: 1, v / v, 3
l) and subjected to column chromatography using silica gel (70-230 mesh, Merck) filled with the same solvent system (70 l).

Elution is carried out with a mixture of n-hexane and ethyl acetate (1: 1, v / v, 420 l; 1: 2, v / v, 420 l), ethyl acetate (210 l) and acetone (210 l). Elution volume 350l to 420l (first eluate), 490l
Collect fractions of 840 l (second eluate) and 9809801190 l (third eluate), respectively.

The third eluate is evaporated to dryness under reduced pressure. This product is dissolved in a mixture of chloroform and acetonitrile (2: 1, v / v, 400 ml) and subjected to column chromatography using silica gel (Merck, 230-400 mesh) (2 l). The fractions containing the desired compound were collected, and the solvent was distilled off under reduced pressure to purify the purified FR-901154 substance (6.8
g) is obtained as a white powder.

The first eluate is evaporated to dryness under reduced pressure. This product was treated with a mixture of n-hexane and ethyl acetate (1: 2.
5, v / v, 25 ml) and subjected to column chromatography using silica gel (230-400 mesh) (750 ml) packed with the same solvent system and eluted with the same solvent system. The fractions containing the desired compound are collected and the crude powder obtained by evaporating the solvent under reduced pressure is rechromatographed using the same silica gel (50 ml). The fractions containing the desired compound were collected, evaporated to dryness under reduced pressure, and purified FR-901155 material (390 m
g) is obtained as a white powder.

The second eluate is evaporated to dryness under reduced pressure. This product was treated with a mixture of n-hexane and ethyl acetate (1:
1, v / v, 5 l) and subjected to column chromatography using silica gel (70-230 mesh) (70 l) mixed with silver nitrate (20%, w / w). After washing with the same solvent (350 l), a mixture of n-hexane and ethyl acetate (1:
2, v / v, 490 l). The fractions containing the desired compound are collected and the solvent is distilled off under reduced pressure to obtain a crude powder. This powder was dissolved in ethyl acetate (100 ml) and then silica gel (230-400 mesh) (1000 m
Chromatography using l). The active fractions are collected and evaporated to dryness under reduced pressure. The residue is crystallized from a mixture of acetonitrile and water (1: 2, v / v, 30 ml). The crystals are dissolved in a 60% acetonitrile aqueous solution (10 ml) and subjected to chromatography using "Diaion CHP-20" (trademark, manufactured by Mitsubishi Kasei Kogyo) (100 ml). After the solvent was distilled off, the residue was recrystallized to obtain purified FR-90115.
Six substances (270 mg) are obtained as colorless prisms.

Physical and chemical properties of FR-901156 substance (1) Mass spectrum: FAB-MS: m / z 828 (M + Na) (2) Molecular formula: C ₄₄ H ₇₁ NO ₁₂ (4) Color reaction: Positive for cerium sulfate reaction, sulfuric acid reaction, Ehrlich reaction, Dragendorff reaction and iodine vapor reaction. Negative for ferric chloride reaction, ninhydrin reaction and Maurish reaction. (5) Solubility: Soluble in methanol, ethanol, acetone, ethyl acetate, chloroform, diethyl ether, benzene and acetonitrile. Poorly soluble in n-hexane and petroleum ether. Insoluble in water. (6) Melting point: 146-147 ° C. (7) Specific rotation: [α] ²³ _D : -74 ° (C = 1.8, CHCl ₃ ) (8) Ultraviolet absorption spectrum: Terminal absorption (9) Infrared absorption spectrum: νCHCl _{3 max} : 3570, 3500, 2940, 2880, 2820, 1740, 1
710, 1700, 1640,1460, 1450, 1380, 1350, 1320, 128
0, 1230, 1190, 1170, 1140, 1100, 1090, 1050, 1040,
1000, 990, 940, 910 cm ^-1

(10) ¹³ C nuclear magnetic resonance spectrum:

[Table 7]

(11) ¹ H nuclear magnetic resonance spectrum: FIG. 3 shows a chart of the spectrum. (12) Thin layer chromatography: stationary phase developing solvent Rf value Silica gel plate Ethyl acetate 0.51 (13) Property of substance: neutral substance

From the above physical and chemical properties, F
R-901156 substance is 1,14-dihydroxy-12-
[2- (4-hydroxy-3-methoxycyclohexyl) -1-methylvinyl] -23,25-dimethoxy-13,1
9,21,27-tetramethyl-17-propyl-11,28-dioxa-4-azatricyclo [22.3.1.0 ^4,9 ] octakos-18-ene-2,3,10,16-tetraone It is estimated that there is.

Further, the target compound of the present invention, that is, FR-901154 substance and F
The R-901155 material was isolated, purified, and furthermore other compounds, such as FR-901156 material,
Separated from FR-900506 and FR-900520 substances.

Isolation and Purification The culture broth obtained as described above was
kg). Remove the mycelial mass with acetone (1000
Extraction in 1) gives 1000 l of extract. The acetone extract from the mycelium and the filtrate (2700 l) are combined and passed through a column of nonionic adsorption resin "Diaion HP-20" (200 l).
After washing with a 50% acetone aqueous solution (600 l), elution is performed with a 75% acetone aqueous solution. The solvent of the eluate is distilled off under reduced pressure to obtain an aqueous residue (600 l). Activated carbon (granular,
Pass through a column containing (150 l) Takeda Pharmaceutical Company Limited. 50
After washing with 200% aqueous acetone (200 l), ethyl acetate (400
Elution in l). The ethyl acetate eluate is concentrated under reduced pressure to give an oily residue. The oily residue was dissolved in a mixture of n-hexane and ethyl acetate (2: 1, v / v, 20 l) and subjected to column chromatography using silica gel (70-230 mesh) (70 l) packed with the same solvent system. Attach.

Elute with a mixture of n-hexane and ethyl acetate (1: 1, v / v, 140 l; 1: 2, v / v, 420 l), ethyl acetate (140 l) and methyl alcohol (100 l). Elution volume 250l to 550l (first eluate), 700
Collect 1 to 800 l (second eluate) fractions, respectively.

The second eluate is evaporated to dryness under reduced pressure. This product was mixed with a mixture of chloroform and acetonitrile (2:
1, v / v, 400 ml) and subjected to column chromatography using silica gel (230-400 mesh) (2 l). The fractions containing the desired compound are collected, and the solvent is distilled off under reduced pressure to obtain a purified FR-901154 substance (9.3 g) as a white powder.

The first eluate is evaporated to dryness under reduced pressure. This product was dissolved in a mixture of n-hexane, acetone and methyl alcohol (40: 20: 1, v / v / v, 20 l),
Column chromatography using silica gel (70-230 mesh) (70 l) mixed with silver nitrate (20%, w / w) and developed with the same solvent (400 l). 160l to 190l
Fractions of (third eluate), 190 l to 220 l (fourth eluate) and 250 l to 400 l (fifth eluate) are collected, respectively.

The third eluate is evaporated to dryness under reduced pressure. This product is dissolved in ethyl acetate (100 ml) and then chromatographed on the same solvent using silica gel (230-400 mesh) (1 l). The active fractions are collected and evaporated to dryness under reduced pressure. The residue is crystallized from a mixture of acetonitrile and water (1: 2, v / v, 30 ml). This crystal
Dissolved in a 60% acetonitrile aqueous solution (10 ml), and “Diaion CHP-20” (trademark, manufactured by Mitsubishi Kasei Kogyo) (100 ml)
Chromatography. After distilling off the solvent,
The residue was recrystallized to give a purified FR-901156 substance (400 mg)
As colorless prisms.

The fourth eluate is concentrated under reduced pressure to obtain an oily residue. The oily residue was dissolved in methyl alcohol (5 ml)
"Octadecyl C-18 gel" (trademark, manufactured by Yamamura Chemical Co., Ltd., 60-2
(00 mesh) (800 ml). Elute with 80% aqueous methyl alcohol.
The fractions containing the desired compound are collected and the solvent is distilled off under reduced pressure to give an aqueous residue. The residue is extracted with ethyl acetate (400ml). The ethyl acetate extract is evaporated to dryness under reduced pressure.
This product was mixed with a mixture of acetonitrile and water (1: 2,
v / v, 9 ml) and purified FR-90052.
Zero substance (390 mg) is obtained as colorless prisms.

The fifth eluate is concentrated under reduced pressure to obtain an oily residue. The oily residue was mixed with a mixture of ethyl alcohol and water (1:
(2, v / v, 900 ml). The crystals are recrystallized from ethyl acetate to give a purified FR-900506 substance (80 g) as colorless prisms.

The mother liquor is evaporated to dryness under reduced pressure. This product was mixed with a mixture of n-hexane and ethyl acetate (1: 2, v / v).
v, 500ml) and silica gel (70-230 mesh)
Subject to column chromatography using (71).
A mixture of n-hexane and ethyl acetate (1: 2, v / v,
2.5 l). The fractions containing the desired compound are collected and evaporated to dryness under reduced pressure.
re-chromatography using (ml). The fractions containing the desired compound are collected and evaporated to dryness under reduced pressure to give purified F
The R-901155 substance (750 mg) is obtained as a white powder.

[Brief description of the drawings]

FIG. 1 shows the ¹ H nuclear magnetic resonance spectrum of FR-901154 substance.

FIG. 2 shows a ¹ H nuclear magnetic resonance spectrum of FR-901155 substance.

FIG. 3 shows ¹ H nuclear magnetic resonance spectrum of FR-901156 substance.

────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] July 15, 1998

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Name of invention

[Correction method] Change

[Correction contents]

Title of the Invention Method for producing immunosuppressants

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Table 1] (12) ¹ H nuclear magnetic resonance spectrum: FIG. 1 shows a chart of the spectrum. (13) Thin layer chromatography: fixed phase developing solvent Rf value silica gel plate ethyl acetate 0.22 (14) Properties of substance: neutral; and / or 1,14-dihydroxy-12- [2- (4-hydroxy- 3-methoxycycloxyl) -1-methylvinyl] -23,25-dimethoxy-13,19,21,27-tetramethyl-17-propyl-1
1,28-dioxa-4-azatricyclo [22.3.1.0 ^4,9
FR-901154 substance and / or FR-9011 characterized by recovering FR-901156 substance which is octakos-18-ene-2,3,10,16-tetraone.
Production method of 56 substances.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI (C12P 17/18 C12R 1: 465)

Claims (3)

[Claims] (1) FR-901154 substance having the following physical and chemical properties; (1) Shape and color tone: white powder (2) Mass spectrum: FAB-MS: m / z 812 (M + Na ) (3) molecular formula: C ₄₃ H ₆₇ NO ₁₂ (5) Color reaction: Positive for cerium sulfate reaction, sulfuric acid reaction, Ehrlich reaction, Dragendorff reaction and iodine vapor reaction. Negative for ferric chloride reaction, ninhydrin reaction and Maurish reaction. (6) Solubility: soluble in methanol, ethanol, acetone, ethyl acetate, chloroform, diethyl ether, benzene and acetonitrile. Poorly soluble in n-hexane and petroleum ether. Insoluble in water. (7) Melting point: 96-97 ° C (8) Specific rotation: [α] ²³ _D : -65 ° (C = 1.7, CHCl ₃ ) (9) Ultraviolet absorption spectrum: Terminal absorption (10) Infrared absorption spectrum: νCHCl _{3 max} : 3570, 3500, 2920, 2860, 2820, 1740, 1
710, 1700, 1640,1460, 1450, 1380, 1340, 1280, 121
0, 1190, 1170, 1140,1100, 1090, 1050, 1010, 1000,
990, 960, 920 cm ^-1 (11) ¹³ C nuclear magnetic resonance spectrum: (12) ¹ H nuclear magnetic resonance spectrum: FIG. 1 shows a chart of the spectrum. (13) Thin layer chromatography: Solid phase developing solvent Rf value Silica gel plate Ethyl acetate 0.22 (14) Substance property: Neutral substance, and 2) FR- having the following physical and chemical properties
901155 substance; (1) Shape and color: white powder (2) Mass spectrum: FAB-MS: m / z 810 (M + Na) (3) Molecular formula: C ₄₃ H ₆₅ NO ₁₂ (5) Color reaction: Positive for cerium sulfate reaction, sulfuric acid reaction, Ehrlich reaction, Dragendorff reaction and iodine vapor reaction. Negative for ferric chloride reaction, ninhydrin reaction and Maurish reaction. (6) Solubility: soluble in methanol, ethanol, acetone, ethyl acetate, chloroform, diethyl ether, benzene and acetonitrile. Poorly soluble in n-hexane and petroleum ether. Insoluble in water. (7) Melting point: 76-81 ° C (8) Specific rotation: [α] ²³ _D : -53 ゜ (C = 1.8, CHCl ₃ ) (9) Ultraviolet absorption spectrum: Terminal absorption (10) Infrared absorption spectrum: νCHCl _{3 max} : 3500, 2920, 2870, 2820, 1740, 1710, 1
640, 1460, 1450,1380, 1340, 1320, 1280, 1230, 119
0, 1170, 1140, 1100, 1040, 1000, 990, 960, 910 cm ^-1 (11) ¹³ C nuclear magnetic resonance spectrum: (12) ¹ H nuclear magnetic resonance spectrum: FIG. 2 shows a chart of the spectrum. (13) Thin-layer chromatography: stationary phase developing solvent Rf value silica gel plate Ethyl acetate 0.64 (14) Property of substance: neutral substance; 2. An FR-901154 substance-producing strain and / or FR-901155 substance-producing strain belonging to the genus Streptomyces is cultivated in a nutrient medium, and the FR-901154 substance and / or FR-90 is produced.
FR-901 characterized by recovering 1155 substances
A method for producing a compound selected from 154 substances and FR-901155 substance. 3. An immunosuppressant comprising a compound selected from FR-901154 and FR-901155 as an active ingredient.